#81C23F
Closest named color: Dark Lime Green (#7EBD01). oklch(74.4% 0.175 132.1), rgb(129, 194, 63).
Aa
Black text reads best on this color (9.72:1).
About this color
#81C23F is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.175 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lime Green (#7EBD01), ΔE 0.027 away. Black text reads best on it, at 9.72:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Dark Lime Green (#7EBD01) |
| Black text | 9.72:1 |
| White text | 2.16:1 |
Values
| HEX | #81C23F |
| RGB | rgb(129, 194, 63) |
| HSL | hsl(90, 52%, 50%) |
| OKLCH | oklch(74.4% 0.175 132.1) |
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 #81C23F | 2.16:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #81C23F | 9.72:1 | AAA | Lc 61.7 | Content text, not long reading |
| #81C23F text on white | 2.16:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #81C23F text on black | 9.72:1 | AAA | Lc -60.0 | 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 400.
-
Step 50
50
#F2F8EE
oklch(97.2% 0.015 132.5)
-
Step 100
100
#E2EFD9
oklch(93.6% 0.032 132.3)
-
Step 200
200
#CAE2B9
oklch(88.4% 0.061 132.4)
-
Step 300
300
#A6D085
oklch(80.9% 0.11 132.2)
-
Step 400
400 (this color)
#81C23F
oklch(74.4% 0.175 132.1)
-
Step 500
500
#5F9E00
oklch(63.2% 0.176 132.1)
-
Step 600
600
#4F8500
oklch(55.7% 0.155 132.1)
-
Step 700
700
#417000
oklch(49.2% 0.137 132.3)
-
Step 800
800
#355B00
oklch(42.6% 0.118 131.9)
-
Step 900
900
#2B4C00
oklch(37.6% 0.105 132.1)
-
Step 950
950
#182D00
oklch(26.9% 0.074 131.6)
#81C23F 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) | #CAB42C | 0.097 |
| Deuteranopia (no green cones) | #C1AF4A | 0.098 |
| Tritanopia (no blue cones) | #83BAA8 | 0.133 |
| Achromatopsia (no color) | #B0B0B0 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81C23F
#81C23F
oklch(74.4% 0.175 132.1)
- #D188FB
#D188FB
oklch(74.5% 0.175 312.1)
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 #81C23F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lime Green #7EBD01 ΔE 0.027
- Apple #6ECB3C ΔE 0.030
- Dark Lime #84B701 ΔE 0.034
- Bright Olive #9CBB04 ΔE 0.034
- Turtle Green #75B84F ΔE 0.037
- Apple Green #76CD26 ΔE 0.039
- Pea #A4BF20 ΔE 0.040
- Yellow Green #9ACD32 ΔE 0.045
Use #81C23F 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.