#63AA63
Closest named color: Algae (#54AC68). oklch(67.3% 0.125 144), rgb(99, 170, 99).
Aa
Black text reads best on this color (7.46:1).
About this color
#63AA63 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.125 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.013 away. Black text reads best on it, at 7.46:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.46:1 |
| White text | 2.81:1 |
Values
| HEX | #63AA63 |
| RGB | rgb(99, 170, 99) |
| HSL | hsl(120, 29%, 53%) |
| OKLCH | oklch(67.3% 0.125 144) |
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 #63AA63 | 2.81:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #63AA63 | 7.46:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #63AA63 text on white | 2.81:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #63AA63 text on black | 7.46:1 | AAA | Lc -47.9 | 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
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C9E1C7
oklch(88.5% 0.043 143.1)
-
Step 300
300
#A2CEA1
oklch(80.8% 0.078 144.3)
-
Step 400
400 (this color)
#63AA63
oklch(67.3% 0.125 144)
-
Step 500
500
#40A144
oklch(63% 0.16 144.1)
-
Step 600
600
#118B21
oklch(55.5% 0.173 144)
-
Step 700
700
#007615
oklch(49.1% 0.159 144)
-
Step 800
800
#086014
oklch(42.6% 0.133 144.1)
-
Step 900
900
#154F18
oklch(37.7% 0.104 143.9)
-
Step 950
950
#0E2E10
oklch(26.9% 0.065 144.6)
#63AA63 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) | #AD9E5E | 0.095 |
| Deuteranopia (no green cones) | #A29767 | 0.093 |
| Tritanopia (no blue cones) | #5BA699 | 0.079 |
| Achromatopsia (no color) | #9A9A9A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AA63
#63AA63
oklch(67.3% 0.125 144)
- #BC7AC1
#BC7AC1
oklch(67.3% 0.125 324.4)
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 #63AA63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.013
- Dull Green #74A662 ΔE 0.020
- Fern #63A950 ΔE 0.021
- Off Green #6BA353 ΔE 0.022
- Asparagus #77AB56 ΔE 0.024
- Dark Pastel Green #56AE57 ΔE 0.025
- Boring Green #63B365 ΔE 0.026
- Dark Seafoam Green #3EAF76 ΔE 0.032
Use #63AA63 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.