#63AA61
Closest named color: Algae (#54AC68). oklch(67.3% 0.127 143.4), rgb(99, 170, 97).
Aa
Black text reads best on this color (7.45:1).
About this color
#63AA61 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.127 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.014 away. Black text reads best on it, at 7.45:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #63AA61 |
| RGB | rgb(99, 170, 97) |
| HSL | hsl(118, 30%, 52%) |
| OKLCH | oklch(67.3% 0.127 143.4) |
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 #63AA61 | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #63AA61 | 7.45:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #63AA61 text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #63AA61 text on black | 7.45:1 | AAA | Lc -47.8 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C7
oklch(88.5% 0.043 143.1)
-
Step 300
300
#A2CEA0
oklch(80.8% 0.079 143.7)
-
Step 400
400 (this color)
#63AA61
oklch(67.3% 0.127 143.4)
-
Step 500
500
#41A141
oklch(63% 0.162 143.4)
-
Step 600
600
#128B1C
oklch(55.5% 0.176 143.5)
-
Step 700
700
#00760F
oklch(49.1% 0.162 143.5)
-
Step 800
800
#096010
oklch(42.6% 0.135 143.4)
-
Step 900
900
#154F16
oklch(37.7% 0.106 143.3)
-
Step 950
950
#0F2E0F
oklch(26.9% 0.066 143.5)
#63AA61 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) | #AD9E5C | 0.095 |
| Deuteranopia (no green cones) | #A39766 | 0.095 |
| Tritanopia (no blue cones) | #5BA698 | 0.080 |
| Achromatopsia (no color) | #9A9A9A | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AA61
#63AA61
oklch(67.3% 0.127 143.4)
- #BC7AC3
#BC7AC3
oklch(67.4% 0.127 323.4)
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 #63AA61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.014
- Fern #63A950 ΔE 0.019
- Dull Green #74A662 ΔE 0.021
- Off Green #6BA353 ΔE 0.021
- Dark Pastel Green #56AE57 ΔE 0.023
- Asparagus #77AB56 ΔE 0.023
- Boring Green #63B365 ΔE 0.025
- Muted Green #5FA052 ΔE 0.031
Use #63AA61 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.