#27AF3C
Closest named color: Shamrock (#01B44C). oklch(66.1% 0.192 145), rgb(39, 175, 60).
Aa
Black text reads best on this color (7.28:1).
About this color
#27AF3C is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.192 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.017 away. Black text reads best on it, at 7.28:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.28:1 |
| White text | 2.88:1 |
Values
| HEX | #27AF3C |
| RGB | rgb(39, 175, 60) |
| HSL | hsl(129, 64%, 42%) |
| OKLCH | oklch(66.1% 0.192 145) |
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 #27AF3C | 2.88:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #27AF3C | 7.28:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #27AF3C text on white | 2.88:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #27AF3C text on black | 7.28:1 | AAA | Lc -47.3 | 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
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9AD19B
oklch(80.8% 0.094 145.1)
-
Step 400
400
#5DB963
oklch(70.8% 0.15 145.1)
-
Step 500
500 (this color)
#27AF3C
oklch(66.1% 0.192 145)
-
Step 600
600
#008C24
oklch(55.6% 0.175 145)
-
Step 700
700
#00761D
oklch(49.2% 0.154 145)
-
Step 800
800
#006116
oklch(42.8% 0.135 145)
-
Step 900
900
#005111
oklch(37.8% 0.119 145.1)
-
Step 950
950
#04300A
oklch(27.1% 0.079 145.1)
#27AF3C 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) | #B29E2E | 0.144 |
| Deuteranopia (no green cones) | #A39446 | 0.143 |
| Tritanopia (no blue cones) | #00AA97 | 0.119 |
| Achromatopsia (no color) | #989898 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27AF3C
#27AF3C
oklch(66.1% 0.192 145)
- #CB61D2
#CB61D2
oklch(66.2% 0.192 325.1)
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 #27AF3C, closest first.
No curated palette has a color within ΔE 0.04 of #27AF3C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.017
- Medium Green #39AD48 ΔE 0.017
- Kelly Green #02AB2E ΔE 0.019
- Grass #5CAC2D ΔE 0.032
- Leaf Green #5CA904 ΔE 0.036
- Mid Green #50A747 ΔE 0.037
- Leafy Green #51B73B ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.045
Use #27AF3C 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.