#99BB63
Closest named color: Light Olive Green (#A4BE5C). oklch(74.7% 0.122 126.5), rgb(153, 187, 99).
Aa
Black text reads best on this color (9.64:1).
About this color
#99BB63 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.122 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.018 away. Black text reads best on it, at 9.64:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.64:1 |
| White text | 2.17:1 |
Values
| HEX | #99BB63 |
| RGB | rgb(153, 187, 99) |
| HSL | hsl(83, 39%, 56%) |
| OKLCH | oklch(74.7% 0.122 126.5) |
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 #99BB63 | 2.17:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #99BB63 | 9.64:1 | AAA | Lc 61.2 | Content text, not long reading |
| #99BB63 text on white | 2.17:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #99BB63 text on black | 9.64:1 | AAA | Lc -59.4 | 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
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6EDDD
oklch(93.6% 0.023 126.2)
-
Step 200
200
#D2DFC1
oklch(88.6% 0.043 126.4)
-
Step 300
300
#B4CA95
oklch(80.9% 0.076 126.3)
-
Step 400
400 (this color)
#99BB63
oklch(74.7% 0.122 126.5)
-
Step 500
500
#719914
oklch(63% 0.155 126.4)
-
Step 600
600
#5D8100
oklch(55.5% 0.142 126.6)
-
Step 700
700
#4E6D00
oklch(49.2% 0.126 126.7)
-
Step 800
800
#3F5900
oklch(42.7% 0.11 126.7)
-
Step 900
900
#344A00
oklch(37.7% 0.097 126.5)
-
Step 950
950
#1E2C03
oklch(27.1% 0.065 126.8)
#99BB63 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) | #C3B15C | 0.060 |
| Deuteranopia (no green cones) | #BEAF68 | 0.060 |
| Tritanopia (no blue cones) | #9DB4A6 | 0.096 |
| Achromatopsia (no color) | #B0B0B0 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BB63
#99BB63
oklch(74.7% 0.122 126.5)
- #C198E9
#C198E9
oklch(74.7% 0.121 306.9)
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 #99BB63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.018
- Tan Green #A9BE70 ΔE 0.028
- Light Olive #ACBF69 ΔE 0.029
- Lichen #8FB67B ΔE 0.037
- Light Moss Green #A6C875 ΔE 0.042
- Sage Green #88B378 ΔE 0.043
- Soft Green #6FC276 ΔE 0.046
- Avocado #90B134 ΔE 0.048
Use #99BB63 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.