#99B453
Closest named color: Avocado (#90B134). oklch(72.9% 0.128 122.5), rgb(153, 180, 83).
Aa
Black text reads best on this color (9.00:1).
About this color
#99B453 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 73%, its chroma 0.128 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado (#90B134), ΔE 0.030 away. Black text reads best on it, at 9.00:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Avocado (#90B134) |
| Black text | 9.00:1 |
| White text | 2.33:1 |
Values
| HEX | #99B453 |
| RGB | rgb(153, 180, 83) |
| HSL | hsl(77, 39%, 52%) |
| OKLCH | oklch(72.9% 0.128 122.5) |
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 #99B453 | 2.33:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #99B453 | 9.00:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #99B453 text on white | 2.33:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #99B453 text on black | 9.00:1 | AAA | Lc -56.2 | 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
#F4F7EF
oklch(97.2% 0.011 123.5)
-
Step 100
100
#E7EDDC
oklch(93.7% 0.023 122.7)
-
Step 200
200
#D4DEBE
oklch(88.5% 0.044 121.4)
-
Step 300
300
#B7C990
oklch(80.8% 0.079 122.4)
-
Step 400
400 (this color)
#99B453
oklch(72.9% 0.128 122.5)
-
Step 500
500
#799700
oklch(63% 0.154 122.6)
-
Step 600
600
#667F00
oklch(55.6% 0.135 122.3)
-
Step 700
700
#556B00
oklch(49.2% 0.12 122.6)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#99B453 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) | #BDAA4A | 0.053 |
| Deuteranopia (no green cones) | #BAAA59 | 0.054 |
| Tritanopia (no blue cones) | #A0AC9E | 0.105 |
| Achromatopsia (no color) | #AAAAAA | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99B453
#99B453
oklch(72.9% 0.128 122.5)
- #B793EA
#B793EA
oklch(72.9% 0.128 302.4)
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 #99B453, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado #90B134 ΔE 0.030
- Light Olive Green #A4BE5C ΔE 0.032
- Icky Green #8FAE22 ΔE 0.041
- Lichen #8FB67B ΔE 0.043
- Mustard Green #A8B504 ΔE 0.044
- Turtle Green #75B84F ΔE 0.044
- Sage Green #88B378 ΔE 0.045
- Tan Green #A9BE70 ΔE 0.045
Use #99B453 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.