#63BB64
Closest named color: Dark Mint (#48C072). oklch(71.6% 0.149 144), rgb(99, 187, 100).
Aa
Black text reads best on this color (8.82:1).
About this color
#63BB64 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.149 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.022 away. Black text reads best on it, at 8.82:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 8.82:1 |
| White text | 2.38:1 |
Values
| HEX | #63BB64 |
| RGB | rgb(99, 187, 100) |
| HSL | hsl(121, 39%, 56%) |
| OKLCH | oklch(71.6% 0.149 144) |
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 #63BB64 | 2.38:1 | Fails | Lc -51.6 | Large or bold text, headings |
| Black text on #63BB64 | 8.82:1 | AAA | Lc 57.3 | Large or bold text, headings |
| #63BB64 text on white | 2.38:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #63BB64 text on black | 8.82:1 | AAA | Lc -55.4 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C5E3C4
oklch(88.6% 0.053 144.3)
-
Step 300
300
#9CD19B
oklch(81% 0.093 144.2)
-
Step 400
400 (this color)
#63BB64
oklch(71.6% 0.149 144)
-
Step 500
500
#22A52F
oklch(63.1% 0.191 144)
-
Step 600
600
#008C1B
oklch(55.6% 0.18 144)
-
Step 700
700
#007615
oklch(49.1% 0.159 144)
-
Step 800
800
#00610F
oklch(42.8% 0.139 144)
-
Step 900
900
#00510B
oklch(37.8% 0.122 144)
-
Step 950
950
#063009
oklch(27.1% 0.079 144.1)
#63BB64 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) | #BEAD5D | 0.112 |
| Deuteranopia (no green cones) | #B2A56A | 0.111 |
| Tritanopia (no blue cones) | #57B7A6 | 0.092 |
| Achromatopsia (no color) | #A8A8A8 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BB64
#63BB64
oklch(71.6% 0.149 144)
- #D081D8
#D081D8
oklch(71.6% 0.149 323.7)
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 #63BB64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.022
- Turtle Green #75B84F ΔE 0.023
- Boring Green #63B365 ΔE 0.024
- Soft Green #6FC276 ΔE 0.030
- Cool Green #33B864 ΔE 0.035
- Dark Mint Green #20C073 ΔE 0.036
- Algae Green #21C36F ΔE 0.038
- Dark Pastel Green #56AE57 ΔE 0.041
Use #63BB64 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.