#1C8A00
Closest named color: Forest Green (#228B22). oklch(55.2% 0.182 141.1), rgb(28, 138, 0).
Aa
Black text reads best on this color (4.68:1).
About this color
#1C8A00 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.182 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.016 away. Black text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #1C8A00 |
| RGB | rgb(28, 138, 0) |
| HSL | hsl(108, 100%, 27%) |
| OKLCH | oklch(55.2% 0.182 141.1) |
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 #1C8A00 | 4.48:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #1C8A00 | 4.68:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #1C8A00 text on white | 4.48:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #1C8A00 text on black | 4.68:1 | AA | Lc -31.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#C9E1C5
oklch(88.4% 0.046 141.2)
-
Step 300
300
#A4CE9D
oklch(80.8% 0.081 141.1)
-
Step 400
400
#70B565
oklch(70.8% 0.132 141)
-
Step 500
500
#45A137
oklch(63.1% 0.168 141.1)
-
Step 600
600 (this color)
#1C8A00
oklch(55.2% 0.182 141.1)
-
Step 700
700
#167500
oklch(49% 0.162 141.2)
-
Step 800
800
#116001
oklch(42.6% 0.14 141.2)
-
Step 900
900
#184F10
oklch(37.7% 0.109 141.3)
-
Step 950
950
#102E0B
oklch(26.9% 0.069 140.9)
#1C8A00 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) | #8E7C00 | 0.127 |
| Deuteranopia (no green cones) | #82741B | 0.124 |
| Tritanopia (no blue cones) | #008574 | 0.121 |
| Achromatopsia (no color) | #777777 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C8A00
#1C8A00
oklch(55.2% 0.182 141.1)
- #A044B1
#A044B1
oklch(55.2% 0.183 321.1)
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 #1C8A00, closest first.
No curated palette has a color within ΔE 0.04 of #1C8A00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.016
- Emerald Green #028F1E ΔE 0.016
- True Green #089404 ΔE 0.029
- Dark Grass Green #388004 ΔE 0.032
- Irish Green #019529 ΔE 0.033
- Green #008000 ΔE 0.033
- Kelley Green #009337 ΔE 0.035
- Tree Green #2A7E19 ΔE 0.040
Use #1C8A00 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.