#2A971B
Closest named color: Irish Green (#019529). oklch(59.3% 0.184 141.5), rgb(42, 151, 27).
Aa
Black text reads best on this color (5.54:1).
About this color
#2A971B is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.184 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.016 away. Black text reads best on it, at 5.54:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #2A971B |
| RGB | rgb(42, 151, 27) |
| HSL | hsl(113, 70%, 35%) |
| OKLCH | oklch(59.3% 0.184 141.5) |
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 #2A971B | 3.78:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #2A971B | 5.54:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #2A971B text on white | 3.78:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #2A971B text on black | 5.54:1 | AA | Lc -36.8 | 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
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C9E1C5
oklch(88.4% 0.046 141.2)
-
Step 300
300
#A3CF9D
oklch(81% 0.083 141.7)
-
Step 400
400
#6FB566
oklch(70.7% 0.132 141.6)
-
Step 500
500
#43A137
oklch(63% 0.169 141.5)
-
Step 600
600 (this color)
#2A971B
oklch(59.3% 0.184 141.5)
-
Step 700
700
#127600
oklch(49.2% 0.164 141.5)
-
Step 800
800
#0E6001
oklch(42.6% 0.141 141.5)
-
Step 900
900
#174F10
oklch(37.7% 0.11 141.5)
-
Step 950
950
#0F2E0B
oklch(26.8% 0.07 141.4)
#2A971B 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) | #9B8800 | 0.127 |
| Deuteranopia (no green cones) | #8E802A | 0.126 |
| Tritanopia (no blue cones) | #0B9280 | 0.120 |
| Achromatopsia (no color) | #838383 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A971B
#2A971B
oklch(59.3% 0.184 141.5)
- #AE50BE
#AE50BE
oklch(59.2% 0.184 321.6)
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 #2A971B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.016
- True Green #089404 ΔE 0.019
- Grass Green #3F9B0B ΔE 0.020
- Grassy Green #419C03 ΔE 0.024
- Kelley Green #009337 ΔE 0.028
- Emerald Green #028F1E ΔE 0.030
- Forest Green #228B22 ΔE 0.038
- Sap Green #5C8B15 ΔE 0.049
Use #2A971B 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.