#99BB66
Closest named color: Light Olive Green (#A4BE5C). oklch(74.7% 0.118 126.9), rgb(153, 187, 102).
Aa
Black text reads best on this color (9.65:1).
About this color
#99BB66 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.118 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 0.020 away. Black text reads best on it, at 9.65:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.65:1 |
| White text | 2.17:1 |
Values
| HEX | #99BB66 |
| RGB | rgb(153, 187, 102) |
| HSL | hsl(84, 38%, 57%) |
| OKLCH | oklch(74.7% 0.118 126.9) |
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 #99BB66 | 2.17:1 | Fails | Lc -47.4 | Large or bold text, headings |
| Black text on #99BB66 | 9.65:1 | AAA | Lc 61.2 | Content text, not long reading |
| #99BB66 text on white | 2.17:1 | Fails | Lc 42.7 | Non-text elements, placeholder text |
| #99BB66 text on black | 9.65:1 | AAA | Lc -59.5 | 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
#E6EDDE
oklch(93.7% 0.021 127.4)
-
Step 200
200
#D2DFC2
oklch(88.6% 0.041 127)
-
Step 300
300
#B4CA96
oklch(80.9% 0.074 126.6)
-
Step 400
400 (this color)
#99BB66
oklch(74.7% 0.118 126.9)
-
Step 500
500
#71991E
oklch(63.1% 0.151 126.8)
-
Step 600
600
#5D8100
oklch(55.5% 0.142 126.6)
-
Step 700
700
#4D6D00
oklch(49.1% 0.127 127.1)
-
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
#1E2C05
oklch(27.1% 0.063 127.3)
#99BB66 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) | #C3B15F | 0.060 |
| Deuteranopia (no green cones) | #BEAF6B | 0.060 |
| Tritanopia (no blue cones) | #9DB4A7 | 0.094 |
| Achromatopsia (no color) | #B0B0B0 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BB66
#99BB66
oklch(74.7% 0.118 126.9)
- #C199E8
#C199E8
oklch(74.8% 0.118 307)
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 #99BB66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.020
- Tan Green #A9BE70 ΔE 0.026
- Light Olive #ACBF69 ΔE 0.028
- Lichen #8FB67B ΔE 0.034
- Sage Green #88B378 ΔE 0.041
- Light Moss Green #A6C875 ΔE 0.041
- Soft Green #6FC276 ΔE 0.045
- Dark Sea Green #8FBC8F ΔE 0.049
Use #99BB66 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.