#B3B628
Closest named color: Mustard Green (#A8B504). oklch(75% 0.153 110.9), rgb(179, 182, 40).
Aa
Black text reads best on this color (9.63:1).
About this color
#B3B628 is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.153 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.021 away. Black text reads best on it, at 9.63:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.63:1 |
| White text | 2.17:1 |
Values
| HEX | #B3B628 |
| RGB | rgb(179, 182, 40) |
| HSL | hsl(61, 64%, 44%) |
| OKLCH | oklch(75% 0.153 110.9) |
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 #B3B628 | 2.17:1 | Fails | Lc -47.4 | Large or bold text, headings |
| Black text on #B3B628 | 9.63:1 | AAA | Lc 61.2 | Content text, not long reading |
| #B3B628 text on white | 2.17:1 | Fails | Lc 42.7 | Non-text elements, placeholder text |
| #B3B628 text on black | 9.63:1 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#EAECD7
oklch(93.6% 0.028 111.3)
-
Step 200
200
#DADDB5
oklch(88.5% 0.053 111)
-
Step 300
300
#C3C77D
oklch(81% 0.096 111)
-
Step 400
400 (this color)
#B3B628
oklch(75% 0.153 110.9)
-
Step 500
500
#8E9000
oklch(63.1% 0.138 110.8)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#B3B628 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) | #C5AE00 | 0.030 |
| Deuteranopia (no green cones) | #C6B135 | 0.033 |
| Tritanopia (no blue cones) | #C0AA9C | 0.138 |
| Achromatopsia (no color) | #B0B0B0 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3B628
#B3B628
oklch(75% 0.153 110.9)
- #AE9DFF
#AE9DFF
oklch(75% 0.139 290.6)
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 #B3B628, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.021
- Olive Yellow #C2B709 ΔE 0.022
- Muddy Yellow #BFAC05 ΔE 0.028
- Pea #A4BF20 ΔE 0.032
- Light Olive Green #A4BE5C ΔE 0.038
- Bright Olive #9CBB04 ΔE 0.038
- Mustard #CEB301 ΔE 0.038
- Light Olive #ACBF69 ΔE 0.049
Use #B3B628 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.