#1BA12E
Closest named color: Grass Green (#3F9B0B). oklch(61.9% 0.188 144.4), rgb(27, 161, 46).
Aa
Black text reads best on this color (6.18:1).
About this color
#1BA12E is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.188 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.022 away. Black text reads best on it, at 6.18:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #1BA12E |
| RGB | rgb(27, 161, 46) |
| HSL | hsl(129, 71%, 37%) |
| OKLCH | oklch(61.9% 0.188 144.4) |
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 #1BA12E | 3.39:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #1BA12E | 6.18:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #1BA12E text on white | 3.39:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #1BA12E text on black | 6.18:1 | AA | Lc -40.9 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C5E3C5
oklch(88.6% 0.052 145.1)
-
Step 300
300
#9CD19B
oklch(81% 0.093 144.2)
-
Step 400
400
#60B863
oklch(70.7% 0.147 144.5)
-
Step 500
500 (this color)
#1BA12E
oklch(61.9% 0.188 144.4)
-
Step 600
600
#008C1F
oklch(55.6% 0.178 144.4)
-
Step 700
700
#007618
oklch(49.1% 0.157 144.4)
-
Step 800
800
#006112
oklch(42.8% 0.137 144.4)
-
Step 900
900
#00510E
oklch(37.8% 0.121 144.5)
-
Step 950
950
#06300A
oklch(27.1% 0.078 144.5)
#1BA12E 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) | #A4911C | 0.138 |
| Deuteranopia (no green cones) | #96873A | 0.139 |
| Tritanopia (no blue cones) | #009D8A | 0.117 |
| Achromatopsia (no color) | #8B8B8B | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BA12E
#1BA12E
oklch(61.9% 0.188 144.4)
- #BB55C4
#BB55C4
oklch(61.9% 0.189 324.3)
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 #1BA12E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.022
- Grassy Green #419C03 ΔE 0.023
- Kelly Green #02AB2E ΔE 0.029
- Irish Green #019529 ΔE 0.037
- True Green #089404 ΔE 0.042
- Medium Green #39AD48 ΔE 0.044
- Kelley Green #009337 ΔE 0.046
- Mid Green #50A747 ΔE 0.046
Use #1BA12E 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.