#1AB047
Closest named color: Shamrock (#01B44C). oklch(66.3% 0.187 147.4), rgb(26, 176, 71).
Aa
Black text reads best on this color (7.34:1).
About this color
#1AB047 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.187 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.011 away. Black text reads best on it, at 7.34:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.34:1 |
| White text | 2.85:1 |
Values
| HEX | #1AB047 |
| RGB | rgb(26, 176, 71) |
| HSL | hsl(138, 74%, 40%) |
| OKLCH | oklch(66.3% 0.187 147.4) |
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 #1AB047 | 2.85:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #1AB047 | 7.34:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #1AB047 text on white | 2.85:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #1AB047 text on black | 7.34:1 | AAA | Lc -47.7 | Large or bold text, headings |
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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C4E3C6
oklch(88.5% 0.051 146.9)
-
Step 300
300
#99D19F
oklch(80.9% 0.091 147.4)
-
Step 400
400
#59B969
oklch(70.8% 0.147 147.4)
-
Step 500
500 (this color)
#1AB047
oklch(66.3% 0.187 147.4)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#02300D
oklch(27% 0.077 147.1)
#1AB047 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) | #B29F3C | 0.147 |
| Deuteranopia (no green cones) | #A29450 | 0.146 |
| Tritanopia (no blue cones) | #00AC99 | 0.111 |
| Achromatopsia (no color) | #999999 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1AB047
#1AB047
oklch(66.3% 0.187 147.4)
- #CD62CD
#CD62CD
oklch(66.3% 0.187 327.4)
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 #1AB047, closest first.
No curated palette has a color within ΔE 0.04 of #1AB047.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.011
- Medium Green #39AD48 ΔE 0.015
- Kelly Green #02AB2E ΔE 0.025
- Mid Green #50A747 ΔE 0.036
- Grass #5CAC2D ΔE 0.037
- Leafy Green #51B73B ΔE 0.038
- Cool Green #33B864 ΔE 0.039
- Dark Pastel Green #56AE57 ΔE 0.041
Use #1AB047 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.