#1C911E
Closest named color: Emerald Green (#028F1E). oklch(57.3% 0.179 142.9), rgb(28, 145, 30).
Aa
Black text reads best on this color (5.11:1).
About this color
#1C911E is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.179 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.010 away. Black text reads best on it, at 5.11:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #1C911E |
| RGB | rgb(28, 145, 30) |
| HSL | hsl(121, 68%, 34%) |
| OKLCH | oklch(57.3% 0.179 142.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1C911E | 4.10:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #1C911E | 5.11:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #1C911E text on white | 4.10:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #1C911E text on black | 5.11:1 | AA | Lc -34.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A2CF9F
oklch(81% 0.082 143.2)
-
Step 400
400
#6DB569
oklch(70.7% 0.13 142.9)
-
Step 500
500
#40A13E
oklch(63% 0.165 143)
-
Step 600
600 (this color)
#1C911E
oklch(57.3% 0.179 142.9)
-
Step 700
700
#007607
oklch(49.1% 0.165 142.9)
-
Step 800
800
#08600B
oklch(42.5% 0.138 142.9)
-
Step 900
900
#154F14
oklch(37.7% 0.108 142.8)
-
Step 950
950
#0E2E0E
oklch(26.8% 0.067 143.4)
#1C911E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #948300 | 0.126 |
| Deuteranopia (no green cones) | #887A2B | 0.128 |
| Tritanopia (no blue cones) | #008D7B | 0.114 |
| Achromatopsia (no color) | #7D7D7D | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C911E
#1C911E
oklch(57.3% 0.179 142.9)
- #A84BB4
#A84BB4
oklch(57.3% 0.179 323)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C911E, closest first.
No curated palette has a color within ΔE 0.04 of #1C911E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.010
- Irish Green #019529 ΔE 0.012
- True Green #089404 ΔE 0.016
- Kelley Green #009337 ΔE 0.018
- Forest Green #228B22 ΔE 0.019
- Grass Green #3F9B0B ΔE 0.040
- Grassy Green #419C03 ΔE 0.044
- Sap Green #5C8B15 ΔE 0.048
Use #1C911E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.