#63BB12
Closest named color: Frog Green (#58BC08). oklch(70.9% 0.203 135.1), rgb(99, 187, 18).
Aa
Black text reads best on this color (8.64:1).
About this color
#63BB12 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.203 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.010 away. Black text reads best on it, at 8.64:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.203) |
| Temperature | in between |
| Nearest name | Frog Green (#58BC08) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #63BB12 |
| RGB | rgb(99, 187, 18) |
| HSL | hsl(91, 82%, 40%) |
| OKLCH | oklch(70.9% 0.203 135.1) |
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 #63BB12 | 2.42:1 | Fails | Lc -52.4 | Large or bold text, headings |
| Black text on #63BB12 | 8.64:1 | AAA | Lc 56.6 | Large or bold text, headings |
| #63BB12 text on white | 2.42:1 | Fails | Lc 47.4 | Large or bold text, headings |
| #63BB12 text on black | 8.64:1 | AAA | Lc -54.6 | 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
#F1F8ED
oklch(97.1% 0.016 133.8)
-
Step 100
100
#E0F0D8
oklch(93.7% 0.036 135)
-
Step 200
200
#C5E4B6
oklch(88.4% 0.07 135.5)
-
Step 300
300
#9CD37E
oklch(80.9% 0.127 135.2)
-
Step 400
400 (this color)
#63BB12
oklch(70.9% 0.203 135.1)
-
Step 500
500
#52A000
oklch(63% 0.185 135.1)
-
Step 600
600
#448700
oklch(55.7% 0.163 135.2)
-
Step 700
700
#387100
oklch(49% 0.143 135.1)
-
Step 800
800
#2D5D00
oklch(42.7% 0.125 135.1)
-
Step 900
900
#244D00
oklch(37.5% 0.11 135.2)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#63BB12 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) | #C2AB00 | 0.122 |
| Deuteranopia (no green cones) | #B7A42D | 0.122 |
| Tritanopia (no blue cones) | #60B49F | 0.147 |
| Achromatopsia (no color) | #A6A6A6 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BB12
#63BB12
oklch(70.9% 0.203 135.1)
- #D072F6
#D072F6
oklch(70.9% 0.204 315.3)
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 #63BB12, closest first.
No curated palette has a color within ΔE 0.04 of #63BB12.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Frog Green #58BC08 ΔE 0.010
- Dark Lime Green #7EBD01 ΔE 0.028
- Leafy Green #51B73B ΔE 0.028
- Dark Lime #84B701 ΔE 0.034
- Shamrock Green #02C14D ΔE 0.045
- Grass #5CAC2D ΔE 0.048
- Turtle Green #75B84F ΔE 0.048
- Apple #6ECB3C ΔE 0.048
Use #63BB12 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.