#63DF79
Closest named color: Weird Green (#3AE57F). oklch(80.9% 0.179 147.3), rgb(99, 223, 121).
Aa
Black text reads best on this color (12.36:1).
About this color
#63DF79 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.179 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Weird Green (#3AE57F), ΔE 0.024 away. Black text reads best on it, at 12.36:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Weird Green (#3AE57F) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #63DF79 |
| RGB | rgb(99, 223, 121) |
| HSL | hsl(131, 66%, 63%) |
| OKLCH | oklch(80.9% 0.179 147.3) |
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 #63DF79 | 1.69:1 | Fails | Lc -33.8 | Non-text elements, placeholder text |
| Black text on #63DF79 | 12.36:1 | AAA | Lc 73.8 | Content text, not long reading |
| #63DF79 text on white | 1.69:1 | Fails | Lc 30.0 | Non-text elements, placeholder text |
| #63DF79 text on black | 12.36:1 | AAA | Lc -72.8 | Content text, not long reading |
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 300.
-
Step 50
50
#EBFAEC
oklch(97% 0.024 147.3)
-
Step 100
100
#D4F4D6
oklch(93.6% 0.052 146.9)
-
Step 200
200
#ADECB3
oklch(88.6% 0.101 147.1)
-
Step 300
300 (this color)
#63DF79
oklch(80.9% 0.179 147.3)
-
Step 400
400
#00C149
oklch(70.7% 0.208 147.3)
-
Step 500
500
#00A63D
oklch(63.2% 0.187 147.2)
-
Step 600
600
#008B32
oklch(55.5% 0.164 147.3)
-
Step 700
700
#007529
oklch(49% 0.144 147.3)
-
Step 800
800
#006020
oklch(42.6% 0.126 147.3)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#00300C
oklch(26.9% 0.079 147.3)
#63DF79 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) | #E1CD71 | 0.142 |
| Deuteranopia (no green cones) | #D1C280 | 0.141 |
| Tritanopia (no blue cones) | #49DBC7 | 0.105 |
| Achromatopsia (no color) | #C7C7C7 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DF79
#63DF79
oklch(80.9% 0.179 147.3)
- #FC93FC
#FC93FC
oklch(80.8% 0.18 327.1)
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 #63DF79, closest first.
No curated palette has a color within ΔE 0.04 of #63DF79.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Weird Green #3AE57F ΔE 0.024
- Aqua Green #12E193 ΔE 0.038
- Fresh Green #69D84F ΔE 0.039
- Seaweed #18D17B ΔE 0.057
- Turquoise Green #04F489 ΔE 0.057
- Kiwi Green #8EE53F ΔE 0.063
- Light Green #90EE90 ΔE 0.064
- Toxic Green #61DE2A ΔE 0.064
Use #63DF79 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.