#998637
Closest named color: Dark Mustard (#A88905). oklch(62.1% 0.101 95.8), rgb(153, 134, 55).
Aa
Black text reads best on this color (5.81:1).
About this color
#998637 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 62%, its chroma 0.101 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.035 away. Black text reads best on it, at 5.81:1.
| Hue family | Yellows |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #998637 |
| RGB | rgb(153, 134, 55) |
| HSL | hsl(48, 47%, 41%) |
| OKLCH | oklch(62.1% 0.101 95.8) |
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 #998637 | 3.60:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #998637 | 5.81:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #998637 text on white | 3.60:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #998637 text on black | 5.81:1 | AA | Lc -38.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#ECEADF
oklch(93.6% 0.015 98.3)
-
Step 200
200
#DED9C5
oklch(88.4% 0.027 95.4)
-
Step 300
300
#CAC19D
oklch(80.9% 0.05 95.6)
-
Step 400
400
#AFA166
oklch(70.7% 0.08 96.4)
-
Step 500
500 (this color)
#998637
oklch(62.1% 0.101 95.8)
-
Step 600
600
#87720F
oklch(55.6% 0.11 95.6)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800
#5D4E07
oklch(42.7% 0.084 95.7)
-
Step 900
900
#4C4112
oklch(37.7% 0.066 95.8)
-
Step 950
950
#2D260C
oklch(27% 0.042 94.4)
#998637 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) | #93832E | 0.015 |
| Deuteranopia (no green cones) | #98893B | 0.008 |
| Tritanopia (no blue cones) | #A57C75 | 0.093 |
| Achromatopsia (no color) | #878787 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #998637
#998637
oklch(62.1% 0.101 95.8)
- #7681C3
#7681C3
oklch(62.2% 0.101 275.9)
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 #998637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.035
- Mustard Brown #AC7E04 ΔE 0.037
- Coffee #A6814C ΔE 0.038
- Drab #828344 ΔE 0.038
- Bronze #A87900 ΔE 0.040
- Camo #7F8F4E ΔE 0.042
- Yellowy Brown #AE8B0C ΔE 0.043
- Dark Tan #AF884A ΔE 0.043
Use #998637 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.