#1AB13F
Closest named color: Shamrock (#01B44C). oklch(66.4% 0.195 146.1), rgb(26, 177, 63).
Aa
Black text reads best on this color (7.40:1).
About this color
#1AB13F is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.195 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.012 away. Black text reads best on it, at 7.40:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #1AB13F |
| RGB | rgb(26, 177, 63) |
| HSL | hsl(135, 74%, 40%) |
| OKLCH | oklch(66.4% 0.195 146.1) |
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 #1AB13F | 2.83:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #1AB13F | 7.40:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #1AB13F text on white | 2.83:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #1AB13F text on black | 7.40:1 | AAA | Lc -48.1 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDF
oklch(93.6% 0.027 145.4)
-
Step 200
200
#C4E3C5
oklch(88.5% 0.052 146)
-
Step 300
300
#98D29C
oklch(81% 0.096 146.3)
-
Step 400
400
#58B964
oklch(70.6% 0.152 146.3)
-
Step 500
500 (this color)
#1AB13F
oklch(66.4% 0.195 146.1)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#01300A
oklch(27% 0.081 146.1)
#1AB13F 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) | #B4A031 | 0.149 |
| Deuteranopia (no green cones) | #A49549 | 0.148 |
| Tritanopia (no blue cones) | #00AD99 | 0.118 |
| Achromatopsia (no color) | #999999 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1AB13F
#1AB13F
oklch(66.4% 0.195 146.1)
- #CE60D2
#CE60D2
oklch(66.4% 0.195 326.1)
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 #1AB13F, closest first.
No curated palette has a color within ΔE 0.04 of #1AB13F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.012
- Medium Green #39AD48 ΔE 0.021
- Kelly Green #02AB2E ΔE 0.022
- Leafy Green #51B73B ΔE 0.036
- Grass #5CAC2D ΔE 0.036
- Leaf Green #5CA904 ΔE 0.040
- Mid Green #50A747 ΔE 0.041
- Cool Green #33B864 ΔE 0.043
Use #1AB13F 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.