#999F33
Closest named color: Pea Soup (#929901). oklch(67.7% 0.129 112.5), rgb(153, 159, 51).
Aa
Black text reads best on this color (7.36:1).
About this color
#999F33 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 68%, its chroma 0.129 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea Soup (#929901), ΔE 0.028 away. Black text reads best on it, at 7.36:1.
| Hue family | Yellows |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Pea Soup (#929901) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #999F33 |
| RGB | rgb(153, 159, 51) |
| HSL | hsl(63, 51%, 41%) |
| OKLCH | oklch(67.7% 0.129 112.5) |
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 #999F33 | 2.85:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #999F33 | 7.36:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #999F33 text on white | 2.85:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #999F33 text on black | 7.36:1 | AAA | Lc -47.3 | 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
#F5F6EE
oklch(97% 0.011 112.4)
-
Step 100
100
#EAECDA
oklch(93.7% 0.024 112)
-
Step 200
200
#D9DDBB
oklch(88.6% 0.045 112.8)
-
Step 300
300
#C1C68A
oklch(80.8% 0.08 112)
-
Step 400
400 (this color)
#999F33
oklch(67.7% 0.129 112.5)
-
Step 500
500
#8C9100
oklch(63.1% 0.14 112.2)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#434600
oklch(37.9% 0.084 112.5)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#999F33 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) | #AB9823 | 0.029 |
| Deuteranopia (no green cones) | #AB9A3B | 0.032 |
| Tritanopia (no blue cones) | #A39589 | 0.115 |
| Achromatopsia (no color) | #999999 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999F33
#999F33
oklch(67.7% 0.129 112.5)
- #9A87E0
#9A87E0
oklch(67.7% 0.13 292.4)
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 #999F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea Soup #929901 ΔE 0.028
- Pea Soup Green #94A617 ΔE 0.029
- Brown Yellow #B29705 ΔE 0.039
- Avocado Green #87A922 ΔE 0.041
- Pea Green #8EAB12 ΔE 0.044
- Dark Gold #B59410 ΔE 0.046
- Icky Green #8FAE22 ΔE 0.047
- Yellow Brown #B79400 ΔE 0.049
Use #999F33 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.