#63AA5E
Closest named color: Algae (#54AC68). oklch(67.2% 0.13 142.6), rgb(99, 170, 94).
Aa
Black text reads best on this color (7.44:1).
About this color
#63AA5E is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.130 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.015 away. Black text reads best on it, at 7.44:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.44:1 |
| White text | 2.82:1 |
Values
| HEX | #63AA5E |
| RGB | rgb(99, 170, 94) |
| HSL | hsl(116, 31%, 52%) |
| OKLCH | oklch(67.2% 0.13 142.6) |
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 #63AA5E | 2.82:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #63AA5E | 7.44:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #63AA5E text on white | 2.82:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #63AA5E text on black | 7.44:1 | 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
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A2CF9E
oklch(81% 0.083 142.7)
-
Step 400
400 (this color)
#63AA5E
oklch(67.2% 0.13 142.6)
-
Step 500
500
#41A13C
oklch(63% 0.166 142.5)
-
Step 600
600
#138C12
oklch(55.7% 0.181 142.6)
-
Step 700
700
#007602
oklch(49% 0.166 142.6)
-
Step 800
800
#096009
oklch(42.6% 0.139 142.7)
-
Step 900
900
#154F13
oklch(37.7% 0.108 142.6)
-
Step 950
950
#0F2E0D
oklch(26.9% 0.068 142.4)
#63AA5E 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) | #AD9E58 | 0.095 |
| Deuteranopia (no green cones) | #A39763 | 0.095 |
| Tritanopia (no blue cones) | #5BA698 | 0.083 |
| Achromatopsia (no color) | #9A9A9A | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AA5E
#63AA5E
oklch(67.2% 0.13 142.6)
- #BC79C5
#BC79C5
oklch(67.3% 0.131 322.6)
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 #63AA5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.015
- Fern #63A950 ΔE 0.015
- Off Green #6BA353 ΔE 0.020
- Dark Pastel Green #56AE57 ΔE 0.020
- Asparagus #77AB56 ΔE 0.022
- Dull Green #74A662 ΔE 0.023
- Boring Green #63B365 ΔE 0.025
- Muted Green #5FA052 ΔE 0.030
Use #63AA5E 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.